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allow alpha editing

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Conflicts:

	src/colourpicker/ColourPickerActivity.cpp
This commit is contained in:
jacob1 2012-09-19 17:30:30 -04:00 committed by Simon Robertshaw
parent 10c6c46e6f
commit bb08de4544
2 changed files with 25 additions and 6 deletions
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29
src/colourpicker/ColourPickerActivity.cpp
View File

@ -37,6 +37,7 @@ ColourPickerActivity::ColourPickerActivity(ui::Colour initialColour, ColourPicke
r = format::StringToNumber<int>(a->rValue->GetText());
g = format::StringToNumber<int>(a->gValue->GetText());
b = format::StringToNumber<int>(a->bValue->GetText());
a->currentAlpha = format::StringToNumber<int>(a->aValue->GetText());
RGB_to_HSV(r, g, b, &a->currentHue, &a->currentSaturation, &a->currentValue);
}
};
@ -59,6 +60,12 @@ ColourPickerActivity::ColourPickerActivity(ui::Colour initialColour, ColourPicke
bValue->SetInputType(ui::Textbox::Number);
AddComponent(bValue);
aValue = new ui::Textbox(ui::Point(110, Size.Y-23), ui::Point(30, 17), "255");
aValue->SetActionCallback(new ColourChange(this));
aValue->SetLimit(3);
aValue->SetInputType(ui::Textbox::Number);
AddComponent(aValue);
class CancelAction: public ui::ButtonAction
{
ColourPickerActivity * a;
@ -79,7 +86,7 @@ ColourPickerActivity::ColourPickerActivity(ui::Colour initialColour, ColourPicke
{
int Red, Green, Blue;
HSV_to_RGB(a->currentHue, a->currentSaturation, a->currentValue, &Red, &Green, &Blue);
ui::Colour col(Red, Green, Blue);
ui::Colour col(Red, Green, Blue, a->currentAlpha);
if(a->callback)
a->callback->ColourPicked(col);
a->Exit();
@ -99,7 +106,9 @@ ColourPickerActivity::ColourPickerActivity(ui::Colour initialColour, ColourPicke
rValue->SetText(format::NumberToString<int>(initialColour.Red));
gValue->SetText(format::NumberToString<int>(initialColour.Green));
bValue->SetText(format::NumberToString<int>(initialColour.Blue));
aValue->SetText(format::NumberToString<int>(initialColour.Alpha));
RGB_to_HSV(initialColour.Red, initialColour.Green, initialColour.Blue, &currentHue, &currentSaturation, &currentValue);
currentAlpha = initialColour.Alpha;
}
void ColourPickerActivity::OnMouseMove(int x, int y, int dx, int dy)
@ -236,7 +245,8 @@ void ColourPickerActivity::OnMouseUp(int x, int y, unsigned button)
void ColourPickerActivity::OnDraw()
{
Graphics * g = ui::Engine::Ref().g;
g->clearrect(Position.X-2, Position.Y-2, Size.X+3, Size.Y+3);
//g->clearrect(Position.X-2, Position.Y-2, Size.X+3, Size.Y+3);
g->fillrect(Position.X-2, Position.Y-2, Size.X+3, Size.Y+3, 0, 0, 0, currentAlpha);
g->drawrect(Position.X, Position.Y, Size.X, Size.Y, 255, 255, 255, 255);
g->drawrect(Position.X+4, Position.Y+4, 258, 130, 180, 180, 180, 255);
@ -248,16 +258,23 @@ void ColourPickerActivity::OnDraw()
int offsetY = Position.Y+5;
//draw color square
int lastx = -1, currx = 0;
for(int saturation = 0; saturation <= 255; saturation+=2)
{
for(int hue = 0; hue <= 359; hue++)
{
currx = clamp_flt(hue, 0, 359)+offsetX;
if (currx == lastx)
continue;
lastx = currx;
int cr = 0;
int cg = 0;
int cb = 0;
HSV_to_RGB(hue, 255-saturation, 255-saturation, &cr, &cg, &cb);
g->blendpixel(clamp_flt(hue, 0, 359)+offsetX, (saturation/2)+offsetY, cr, cg, cb, 255);
HSV_to_RGB(hue, 255-saturation, currentValue, &cr, &cg, &cb);
g->blendpixel(currx, (saturation/2)+offsetY, cr, cg, cb, currentAlpha);
}
}
//draw brightness bar
for(int value = 0; value <= 255; value++)
@ -268,7 +285,7 @@ void ColourPickerActivity::OnDraw()
int cb = 0;
HSV_to_RGB(currentHue, currentSaturation, value, &cr, &cg, &cb);
g->blendpixel(value+offsetX, i+offsetY+127+5, cr, cg, cb, 255);
g->blendpixel(value+offsetX, i+offsetY+127+5, cr, cg, cb, currentAlpha);
}
int currentHueX = clamp_flt(currentHue, 0, 359);

2
src/colourpicker/ColourPickerActivity.h
View File

@ -18,6 +18,7 @@ class ColourPickerActivity: public WindowActivity {
int currentHue;
int currentSaturation;
int currentValue;
int currentAlpha;
bool mouseDown;
bool valueMouseDown;
@ -25,6 +26,7 @@ class ColourPickerActivity: public WindowActivity {
ui::Textbox * rValue;
ui::Textbox * gValue;
ui::Textbox * bValue;
ui::Textbox * aValue;
ColourPickedCallback * callback;
public: